PT-2026-106613

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netlink subsystem where the netlink realloc groups function uses krealloc, which may immediately free the old bitmap if it moves to a different memory bucket. This...

UBUNTU-CVE-2026-52917

In the Linux kernel, the following vulnerability has been resolved: sctp: diag: reject stale associations in dumpone path The SCTP exact sockdiag lookup can hold a transport reference, block on locksocksk, and then resume after sctpassociationfree has marked the association dead and freed its bin...

EUVD-2026-38720

In the Linux kernel, the following vulnerability has been resolved: sctp: diag: reject stale associations in dumpone path The SCTP exact sockdiag lookup can hold a transport reference, block on locksocksk, and then resume after sctpassociationfree has marked the association dead and freed its bin...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011203)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011203 advisory. In the Linux kernel, the following vulnerability has been resolved: netlink: fix potential deadlock in netlinkseterr syzbot reported a possible deadlock in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed a general protection fault in smcdiagdump The syzbot report a crash: Oops: general protection fault, likely for a non-canonical address 0xfbd5a5d5a0000003: 0000 1 SMP KASAN NOPTI KASAN: possibly wild-memory-acce...

SUSE CVE-2025-40357

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix general protection fault in smcdiagdump The syzbot report a crash: Oops: general protection fault, probably for non-canonical address 0xfbd5a5d5a0000003: 0000 1 SMP KASAN NOPTI KASAN: maybe wild-memory-access in rang...

CVE-2025-40357

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix general protection fault in smcdiagdump The syzbot report a crash: Oops: general protection fault, probably for non-canonical address 0xfbd5a5d5a0000003: 0000 1 SMP KASAN NOPTI KASAN: maybe wild-memory-access in rang...

CVE-2025-40357

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix general protection fault in smcdiagdump The syzbot report a crash: Oops: general protection fault, probably for non-canonical address 0xfbd5a5d5a0000003: 0000 1 SMP KASAN NOPTI KASAN: maybe wild-memory-access in rang...

UBUNTU-CVE-2025-40357

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix general protection fault in smcdiagdump The syzbot report a crash: Oops: general protection fault, probably for non-canonical address 0xfbd5a5d5a0000003: 0000 1 SMP KASAN NOPTI KASAN: maybe wild-memory-access in rang...

CVE-2025-40357 net/smc: fix general protection fault in __smc_diag_dump

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix general protection fault in smcdiagdump The syzbot report a crash: Oops: general protection fault, probably for non-canonical address 0xfbd5a5d5a0000003: 0000 1 SMP KASAN NOPTI KASAN: maybe wild-memory-access in rang...

CVE-2025-40357

CVE-2025-40357 affects the Linux kernel net/smc subsystem, fixing a general protection fault in __smc_diag_dump reported by syzbot. The description states the fault occurs during diag dump processing and that the fix involves removing the INET_PROTOSW_ICSK flag due to an incorrect cast of smc_soc...

CVE-2025-40357 net/smc: fix general protection fault in __smc_diag_dump

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix general protection fault in smcdiagdump The syzbot report a crash: Oops: general protection fault, probably for non-canonical address 0xfbd5a5d5a0000003: 0000 1 SMP KASAN NOPTI KASAN: maybe wild-memory-access in rang...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a memory access issue in smcdiagdump, which could cause the kernel to crash...

SUSE CVE-2025-40331

In the Linux kernel, the following vulnerability has been resolved: sctp: Prevent TOCTOU out-of-bounds write For the following path not holding the sock lock, sctpdiagdump - sctpforeachendpoint - sctpepdump make sure not to exceed bounds in case the address list has grown between buffer allocatio...

EUVD-2025-201871

In the Linux kernel, the following vulnerability has been resolved: sctp: Prevent TOCTOU out-of-bounds write For the following path not holding the sock lock, sctpdiagdump - sctpforeachendpoint - sctpepdump make sure not to exceed bounds in case the address list has grown between buffer allocatio...

UBUNTU-CVE-2025-40331

In the Linux kernel, the following vulnerability has been resolved: sctp: Prevent TOCTOU out-of-bounds write For the following path not holding the sock lock, sctpdiagdump - sctpforeachendpoint - sctpepdump make sure not to exceed bounds in case the address list has grown between buffer allocatio...

CVE-2025-40331 sctp: Prevent TOCTOU out-of-bounds write

In the Linux kernel, the following vulnerability has been resolved: sctp: Prevent TOCTOU out-of-bounds write For the following path not holding the sock lock, sctpdiagdump - sctpforeachendpoint - sctpepdump make sure not to exceed bounds in case the address list has grown between buffer allocatio...

UBUNTU-CVE-2023-53731

In the Linux kernel, the following vulnerability has been resolved: netlink: fix potential deadlock in netlinkseterr syzbot reported a possible deadlock in netlinkseterr 1 A similar issue was fixed in commit 1d482e666b8e "netlink: disable IRQs for netlinklocktable" in netlinklocktable This patch...

CVE-2023-53731 netlink: fix potential deadlock in netlink_set_err()

In the Linux kernel, the following vulnerability has been resolved: netlink: fix potential deadlock in netlinkseterr syzbot reported a possible deadlock in netlinkseterr 1 A similar issue was fixed in commit 1d482e666b8e "netlink: disable IRQs for netlinklocktable" in netlinklocktable This patch...

CVE-2023-53731

CVE-2023-53731 describes a potential deadlock in the Linux kernel netlink subsystem (netlink_set_err). SYZBOT reported a deadlock scenario involving nl_table_lock and a softirq-safe lock (local->queue_stop_reason_lock) that could invert IRQ lock ordering. Connected advisories confirm a fix add...